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| Brand | RAE Systems Inc. |
|---|---|
| Origin | USA |
| Model | SP-1003 Plus-16 |
| Certifications | Compliant with GB 16808–2008 |
| Power Backup | ≥2 h (main power failure) |
| Alarm Sound Pressure Levels | 65 dB / 95 dB / 115 dB (user-selectable) |
| Analog Output | 4–20 mA (synchronized) |
| Digital Communication | RS485 Modbus RTU & RS232 |
| Relay Outputs | 8 programmable + 3 common (Level 1 alarm, Level 2 alarm, fault) with adjustable delay (0–60 s) |
| Event Log Capacity | ≥1,000 entries |
| Display | Main – large dot-matrix LCD (Chinese menu, real-time gas concentration, zone ID, system time) |
| Self-Test & Lock Display Functions | Yes |
| Standby Power Low-Voltage Alert | >1 h warning duration |
| Brand | smartGAS |
|---|---|
| Origin | Germany |
| Model | SM-SF6 |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Measurement Range Options | 0–50 ppm, 0–100 ppm, 0–100% vol |
| Resolution | 0.1 ppm (low-range), 1% (high-range) |
| Accuracy | ±1 ppm (low-range), ±2% of reading (high-range) |
| Output Signals | 4–20 mA, 0–1 V / 0–2.5 V, RS485 (Modbus RTU), USB |
| Operating Temperature | -10 to +50 °C |
| Lifetime | ≥10 years |
| Cross-Sensitivity | Negligible to H₂O, CO₂, ethanol |
| Compliance | CE, RoHS, EMC Directive 2014/30/EU |
| Enclosure Rating | IP65 (SM-SF6 base variant) |
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